<em>The printing press ended up opening opportunities for people such as production of music. The printing press allowed music to become widely accessable to the world </em>
He changed the cause of the war to a moral issue. Before the civil war was fought mainly for states rights but when the Emancipation Proclamation was issued freeing slaves the war became a moral issue therefore prohibiting Britain from supporting the Confederacy because they recently freed their own slaves and did not support slavery.